Brunei, officially the Sultanate of Brunei (Malay: Negara Brunei Darussalam, Arabic: سلطنة بروناي‎, Jawi: برني دارالسلام), is a country located on the island of Borneo, in Southeast Asia. Apart from its coastline with the South China Sea, it is completely surrounded by the state of Sarawak, East Malaysia.